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https://github.com/xen-project/xen.git
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Juergen Gross
ded08cdfa7
Library related make variables (CFLAGS_lib*, SHDEPS_lib*, LDLIBS_lib* and SHLIB_lib*) mostly have a common pattern for their values. Generate most of this content automatically by adding a new per-library variable defining on which other libraries a lib is depending. Those definitions are put into an own file in order to make it possible to include it from various Makefiles, especially for stubdom. This in turn makes it possible to drop the USELIB variable from each library Makefile. The LIBNAME variable can be dropped, too, as it can be derived from the directory name the library is residing in. Signed-off-by: Juergen Gross <jgross@suse.com> Acked-by: Wei Liu <wl@xen.org>
115 lines
3.4 KiB
Makefile
115 lines
3.4 KiB
Makefile
# Common Makefile for building a lib.
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#
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# Variables taken as input:
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# MAJOR: major version of lib
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# MINOR: minor version of lib
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LIBNAME := $(notdir $(CURDIR))
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SHLIB_LDFLAGS += -Wl,--version-script=libxen$(LIBNAME).map
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CFLAGS += -Werror -Wmissing-prototypes
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CFLAGS += -I./include $(CFLAGS_xeninclude)
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CFLAGS += $(foreach lib, $(USELIBS_$(LIBNAME)), $(CFLAGS_libxen$(lib)))
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LDUSELIBS = $(foreach lib, $(USELIBS_$(LIBNAME)), $(LDLIBS_libxen$(lib)))
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LIB_OBJS := $(SRCS-y:.c=.o)
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PIC_OBJS := $(SRCS-y:.c=.opic)
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LIB := libxen$(LIBNAME).a
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ifneq ($(nosharedlibs),y)
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LIB += libxen$(LIBNAME).so
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endif
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PKG_CONFIG := xen$(LIBNAME).pc
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PKG_CONFIG_VERSION := $(MAJOR).$(MINOR)
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ifneq ($(CONFIG_LIBXC_MINIOS),y)
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PKG_CONFIG_INST := $(PKG_CONFIG)
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$(PKG_CONFIG_INST): PKG_CONFIG_PREFIX = $(prefix)
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$(PKG_CONFIG_INST): PKG_CONFIG_INCDIR = $(includedir)
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$(PKG_CONFIG_INST): PKG_CONFIG_LIBDIR = $(libdir)
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endif
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PKG_CONFIG_LOCAL := $(foreach pc,$(PKG_CONFIG),$(PKG_CONFIG_DIR)/$(pc))
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LIBHEADER ?= xen$(LIBNAME).h
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LIBHEADERS = $(foreach h, $(LIBHEADER), include/$(h))
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LIBHEADERSGLOB = $(foreach h, $(LIBHEADER), $(XEN_ROOT)/tools/include/$(h))
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$(PKG_CONFIG_LOCAL): PKG_CONFIG_PREFIX = $(XEN_ROOT)
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$(PKG_CONFIG_LOCAL): PKG_CONFIG_LIBDIR = $(CURDIR)
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.PHONY: all
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all: build
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.PHONY: build
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build: libs
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.PHONY: libs
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libs: headers.chk $(LIB) $(PKG_CONFIG_INST) $(PKG_CONFIG_LOCAL)
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ifneq ($(NO_HEADERS_CHK),y)
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headers.chk:
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for i in $(filter %.h,$^); do \
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$(CC) -x c -ansi -Wall -Werror $(CFLAGS_xeninclude) \
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-S -o /dev/null $$i || exit 1; \
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echo $$i; \
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done >$@.new
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mv $@.new $@
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else
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.PHONY: headers.chk
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endif
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headers.chk: $(LIBHEADERSGLOB) $(AUTOINCS)
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$(LIBHEADERSGLOB): $(LIBHEADERS)
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for i in $(realpath $(LIBHEADERS)); do ln -sf $$i $(XEN_ROOT)/tools/include; done
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libxen$(LIBNAME).a: $(LIB_OBJS)
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$(AR) rc $@ $^
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libxen$(LIBNAME).so: libxen$(LIBNAME).so.$(MAJOR)
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$(SYMLINK_SHLIB) $< $@
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libxen$(LIBNAME).so.$(MAJOR): libxen$(LIBNAME).so.$(MAJOR).$(MINOR)
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$(SYMLINK_SHLIB) $< $@
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libxen$(LIBNAME).so.$(MAJOR).$(MINOR): $(PIC_OBJS) libxen$(LIBNAME).map
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$(CC) $(LDFLAGS) $(PTHREAD_LDFLAGS) -Wl,$(SONAME_LDFLAG) -Wl,libxen$(LIBNAME).so.$(MAJOR) $(SHLIB_LDFLAGS) -o $@ $(PIC_OBJS) $(LDUSELIBS) $(APPEND_LDFLAGS)
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.PHONY: install
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install: build
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$(INSTALL_DIR) $(DESTDIR)$(libdir)
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$(INSTALL_DIR) $(DESTDIR)$(includedir)
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$(INSTALL_SHLIB) libxen$(LIBNAME).so.$(MAJOR).$(MINOR) $(DESTDIR)$(libdir)
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$(INSTALL_DATA) libxen$(LIBNAME).a $(DESTDIR)$(libdir)
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$(SYMLINK_SHLIB) libxen$(LIBNAME).so.$(MAJOR).$(MINOR) $(DESTDIR)$(libdir)/libxen$(LIBNAME).so.$(MAJOR)
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$(SYMLINK_SHLIB) libxen$(LIBNAME).so.$(MAJOR) $(DESTDIR)$(libdir)/libxen$(LIBNAME).so
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for i in $(LIBHEADERS); do $(INSTALL_DATA) $$i $(DESTDIR)$(includedir); done
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$(INSTALL_DATA) xen$(LIBNAME).pc $(DESTDIR)$(PKG_INSTALLDIR)
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.PHONY: uninstall
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uninstall:
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rm -f $(DESTDIR)$(PKG_INSTALLDIR)/xen$(LIBNAME).pc
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for i in $(LIBHEADER); do rm -f $(DESTDIR)$(includedir)/$(LIBHEADER); done
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rm -f $(DESTDIR)$(libdir)/libxen$(LIBNAME).so
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rm -f $(DESTDIR)$(libdir)/libxen$(LIBNAME).so.$(MAJOR)
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rm -f $(DESTDIR)$(libdir)/libxen$(LIBNAME).so.$(MAJOR).$(MINOR)
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rm -f $(DESTDIR)$(libdir)/libxen$(LIBNAME).a
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.PHONY: TAGS
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TAGS:
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etags -t *.c *.h
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.PHONY: clean
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clean:
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rm -rf *.rpm $(LIB) *~ $(DEPS_RM) $(LIB_OBJS) $(PIC_OBJS)
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rm -f libxen$(LIBNAME).so.$(MAJOR).$(MINOR) libxen$(LIBNAME).so.$(MAJOR)
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rm -f headers.chk
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rm -f xen$(LIBNAME).pc
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rm -f $(LIBHEADERSGLOB)
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.PHONY: distclean
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distclean: clean
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